Home / 15,548.68-23,317.62-5,158

Finding the Fourth Proportional to 15,548.68, 23,317.62 and 5,158

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Solution

The fourth proportional to 15,548.68, 23,317.62 and 5,158 is: 7,735.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548.68 : 23,317.62 = 5,158 : x
  2. Step 2: Convert to fraction form
    15,548.68/23,317.62 = 5,158/x
  3. Step 3: Cross multiply
    15,548.68x = 23,317.62 × 5,158
  4. Step 4: Simplify right side
    15,548.68x = 120,272,283.96
  5. Step 5: Solve for x
    x = 120,272,283.96/15,548.68
  6. Step 6: Final answer
    x = 7,735.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.